Home / 764,152.62-1,147,230.55-512,558.77

Finding the Fourth Proportional to 764,152.62, 1,147,230.55 and 512,558.77

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Solution

The fourth proportional to 764,152.62, 1,147,230.55 and 512,558.77 is: 769,510.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,152.62 : 1,147,230.55 = 512,558.77 : x
  2. Step 2: Convert to fraction form
    764,152.62/1,147,230.55 = 512,558.77/x
  3. Step 3: Cross multiply
    764,152.62x = 1,147,230.55 × 512,558.77
  4. Step 4: Simplify right side
    764,152.62x = 588,023,079,614.42
  5. Step 5: Solve for x
    x = 588,023,079,614.42/764,152.62
  6. Step 6: Final answer
    x = 769,510.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.